Home / 887,699.76-1,224,952.67-500,494.14

Finding the Fourth Proportional to 887,699.76, 1,224,952.67 and 500,494.14

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Solution

The fourth proportional to 887,699.76, 1,224,952.67 and 500,494.14 is: 690,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,699.76 : 1,224,952.67 = 500,494.14 : x
  2. Step 2: Convert to fraction form
    887,699.76/1,224,952.67 = 500,494.14/x
  3. Step 3: Cross multiply
    887,699.76x = 1,224,952.67 × 500,494.14
  4. Step 4: Simplify right side
    887,699.76x = 613,081,634,363.59
  5. Step 5: Solve for x
    x = 613,081,634,363.59/887,699.76
  6. Step 6: Final answer
    x = 690,640.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.